On Mon, Nov 21, 2022 at 09:41:12PM +0000, Julian Bradfield via Exim-users wrote:
> I should like to know what's happening here: > > 2022-11-21 21:10:42 TLS error on connection from r218.notifications.rbs.co.uk > [130.248.154.218] (gnutls_handshake): A TLS fatal alert has been received. > If the server in question is "london.jcbradfield.org", then another potential issue is a missing intermediate issuer certificate. Your certificate chain has only the leaf server certificate without the required "R3" intermediate issuer certificate. If using certbot, use "fullchain.pem" not "cert.pem" (or the equivalent for a different setup). -- Viktor. -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/